Mē'grim, n.

n. [Fr. migraine, for hemicraine, Sp. mi-grāña, hemicranea, hemicrania, It. magrana, emigrania, emicrania, Lat. hemicranium, Gr. ἡμικρανία, ἡμι, half, and κρανίον, skull.]

1. A vehement pain confined to one side of the head, sometimes to the forehead.
2. A fancy; a whim; a freak; a humor.

These are his megrims, firks, and melancholies. Ford.